Home / 133,640.92-184,373.03-76,283.47

Finding the Fourth Proportional to 133,640.92, 184,373.03 and 76,283.47

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Solution

The fourth proportional to 133,640.92, 184,373.03 and 76,283.47 is: 105,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640.92 : 184,373.03 = 76,283.47 : x
  2. Step 2: Convert to fraction form
    133,640.92/184,373.03 = 76,283.47/x
  3. Step 3: Cross multiply
    133,640.92x = 184,373.03 × 76,283.47
  4. Step 4: Simplify right side
    133,640.92x = 14,064,613,199.53
  5. Step 5: Solve for x
    x = 14,064,613,199.53/133,640.92
  6. Step 6: Final answer
    x = 105,241.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.